new radeon memory map fixes (#3)

[Benjamin Herrenschmidt]

On Tue, 2006-02-14 at 11:38 +0200, Marcin 'Morgoth' Kurek wrote:
> Hell[o] Donnie,
> 
> > [...]
> 
> I give a try to http://gate.crashing.org/~benh/radeon-memmap-7.0-3.diff and http://gate.crashing.org/~benh/radeon-memmap-drm-4.diff. But it seems both doesn't work as expect, at last here.
> 
> I have Pegasos 2 machine with Radeon 9000 card (128/128/DVI/VIVO) and after
> applying this patches I can start the xserver without any problems, but
> starting glxgars for example cause winodo decorations to blink and moving
> gears window cause a heavy corruption on desktop. After I exit from glxgears
> everything is fine (No corruption at all)
> 
> When I switch to EXA glxgears seems to works fine but for example Chromium
> (Game) cause similar symptoms as glxgears on XAA.
> 
> Previously I used http://gate.crashing.org/~benh/radeon-memmap.diff and it
> works fine, and this is the last version that works. 
> 
> I was able to reproduce this problem on my friends x86 machine (AthlonXP
> 1700 + Radeon 9000 (128/64/DVI/TV) 

Is he using PCI GART too or real AGP ? Also, how old are your userland
DRI libraries ?

Ben.